1 files changed, 77 insertions, 0 deletions
diff --git a/zephyr/include/emul/emul_sm5803.h b/zephyr/include/emul/emul_sm5803.h
new file mode 100644
index 0000000000..006fe1d0c7
--- /dev/null
+++ b/zephyr/include/emul/emul_sm5803.h
@@ -0,0 +1,77 @@
+/* Copyright 2023 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <zephyr/drivers/emul.h>
+#include <zephyr/drivers/gpio.h>
+
+const struct gpio_dt_spec *
+sm5803_emul_get_interrupt_gpio(const struct emul *emul);
+struct i2c_common_emul_data *sm5803_emul_get_i2c_main(const struct emul *emul);
+struct i2c_common_emul_data *sm5803_emul_get_i2c_chg(const struct emul *emul);
+struct i2c_common_emul_data *sm5803_emul_get_i2c_meas(const struct emul *emul);
+struct i2c_common_emul_data *sm5803_emul_get_i2c_test(const struct emul *emul);
+
+/**
+ * Read the value of a charger page register, by address.
+ *
+ * This is useful to verify that a user has written an expected value to a
+ * register, without depending on the user's corresponding getter function.
+ *
+ * @return negative value on error, otherwise 8-bit register value.
+ */
+int sm5803_emul_read_chg_reg(const struct emul *emul, uint8_t reg);
+
+/**
+ * Set the reported VBUS voltage, in mV.
+ *
+ * If the VBUS voltage crosses the charger detection threshold as a result,
+ * a CHG_DET interrupt will automatically be triggered.
+ */
+void sm5803_emul_set_vbus_voltage(const struct emul *emul, uint16_t mv);
+
+/** Set the reported input current (from VBUS), in mA. */
+void sm5803_emul_set_input_current(const struct emul *emul, uint16_t mv);
+
+/** Set the reported battery charge current, in mA. */
+void sm5803_emul_set_battery_current(const struct emul *emul, uint16_t ma);
+
+/** Set the reported device ID (default 3). */
+void sm5803_emul_set_device_id(const struct emul *emul, uint8_t id);
+
+/** Set the platform ID as configured in hardware by the PMODE resistor. */
+void sm5803_emul_set_pmode(const struct emul *emul, uint8_t pmode);
+
+/** Get the register value of ICHG_FAST_SET; the fast charge current limit. */
+int sm5803_emul_get_fast_charge_current_limit(const struct emul *emul);
+
+/** Get the values of the GPADC_CONFIG_1 and GPADC_CONFIG_2 registers. */
+void sm5803_emul_get_gpadc_conf(const struct emul *emul, uint8_t *conf1,
+				uint8_t *conf2);
+
+/** Set the GPADC enable bits in GPADC_CONFIG_1 and GPADC_CONFIG_2 registers. */
+void sm5803_emul_set_gpadc_conf(const struct emul *emul, uint8_t conf1,
+				uint8_t conf2);
+
+/** Return whether the main clock is slowed (CLOCK_SEL:LOW_POWER_CLOCK_EN). */
+bool sm5803_emul_is_clock_slowed(const struct emul *emul);
+
+/** Get the value of the CC_CONFIG_1 register. */
+uint8_t sm5803_emul_get_cc_config(const struct emul *emul);
+
+/** Get the values of the FLOW1..FLOW3 registers. */
+void sm5803_emul_get_flow_regs(const struct emul *emul, uint8_t *flow1,
+			       uint8_t *flow2, uint8_t *flow3);
+
+/**
+ * Set the INT_REQ_* registers to indicate pending interrupts.
+ *
+ * This does not clear pending IRQs; it only asserts them. IRQs are cleared only
+ * when the interrupt status registers are read.
+ */
+void sm5803_emul_set_irqs(const struct emul *emul, uint8_t irq1, uint8_t irq2,
+			  uint8_t irq3, uint8_t irq4);
+
+/** Get the value of the GPIO_CTRL_1 register, which controls GPIO0. */
+uint8_t sm5803_emul_get_gpio_ctrl(const struct emul *emul);